Grey Flash 2751

The history and restoration of a Vincent HRD Grey Flash

As acquired, 2751 featured a mix of foot controls. We have looked at each component carefully to assess provenance and made a decision whether to employ the part in the restoration, replace with the correct item (I have a stock of NOS racing foot control components) or remanufacture to correct specifications. Both footrest control hanger …

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Grey Flashes were all fitted finned drums finished in black enamel. These are the same as fitted to Black Shadow and Black Lightning models: two per hub, front and rear. The rear hub is drilled for 10 bolts as per Black Shadow and Black Lightning models. Only 5 bolts are present – perhaps they were …

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I was initially worried that I might have to try and source a correct carburettor for 2751. This is what came fitted to the bike: This appeared to be of the correct clip-fitting configuration. The float bowl angle should be 15 degrees. Note the film case cap – photographer Peter Johnson’s touch no doubt! I …

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Here is a shot of what the handlebars and controls looked like when I acquired 2751: Peter Johnson commented that the tachometer and tacho’ drive gearbox were not the ones that the bike left Australia fitted with. The alloy twist grip/front brake and clutch levers are of a more recent type, possibly manufactured by Doherty. …

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Gearchange As acquired, the foot controls of 2751 were as set up and adapted by Peter Johnson for his racing use. Firstly, the drilled footrest support plate appears to be non standard. I managed to acquire an accurately reproduced pair of plates that I may employ in the restoration. I do not want to write-off …

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The front brake plates of the Grey Flash were the same as those fitted to the Black Lightning models. They were made from Elektron magnesium alloy with a detachable air scoop and a neat mesh screen to prevent grit ingress. A solid axle featured a waisted bolt, for lightness and ribbed Black Shadow drums were …

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About Me… The Purpose of This Blog. The blog will be divided into three parts: To detail the known HISTORY of Vincent HRD Grey Flash 2751. To ascertain what PARTS were original and to source missing parts. To record the RESTORATION of this important racing motorcycle to as close to Works Record Card specification as …

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